Sustainability Report 2021

NPAT Net Profit After Tax NPI National pollutant inventory A publicly available internet database of emissions and transfers of 93 substances from industrial facilities and diffuse sources in Australia. Ni Nickel oz Ounce PAF Potentially acid forming Reporting period One financial year, beginning 1 July and ending 30 June ROM Run-of-mine pad RWI Restricted work injury Injuries that require an individual to do something other than their normal job. RWIFR Restricted work injury frequency rate This is the frequency rate for restricted work injuries. It is calculated by the number of RWI / total hours worked (manhours) x 1,000,000 Scope 1 greenhouse gas (GHG) emissions Emission of greenhouse gas, in relation to a facility, means the release of gas into the atmosphere as a direct result of an activity or series of activities (including ancillary activities) that constitute the facility. These are emissions owned or controlled by IGO. Scope 2 greenhouse gas (GHG) emissions Emission of greenhouse gas, in relation to a facility, means the release of greenhouse gas into the atmosphere as a direct result of one or more activities that generate electricity, heating, cooling or steam that is consumed by the facility but that do not form part of the facility. These are emissions bought in from third parties. Scope 3 greenhouse gas (GHG) emissions Indirect greenhouse gas emissions other than scope 2 emissions that are generated in the wider economy. They occur as a consequence of the activities of a facility, but from sources not owned or controlled by that facility’s business. SF6 Stock Emissions of sulphur hexafluoride from gas insulated switch gear and circuit breaker applications. SI Serious injury A lost time injury where: – The injured person is off work for more than two calendar weeks; or – Involves unconsciousness arising from inhalation of fumes or poisonous gases; or asphyxiation due to lack of oxygen or displacement of oxygen by an inert gas; or – Results from an accident, including fuming, arising from the use of explosives or blasting agents. Social licence to operate The level of acceptance a population or community has for an operation, company or industry. SPI Serious potential incident Incidents where the likely potential outcome is a fatality, permanent disabling injury, or irreversible or widespread health impacts. Usually there are no critical controls remaining to prevent impact to people, and the actual outcome is dependent on chance. Glossary 124 —IGO SUSTAINABILITY REPORT 2021